tidealmanac
Sun, Dec 20

Monday, December 21, 2026

St. Augustine Beach, FL · NOAA 8720587 · MLLW · Local time (America/New_York)

Tue, Dec 22

No NOAA sampled curve is loaded for this day; the predicted highs and lows are listed below. Nothing is interpolated.

Tides

  1. High5:08 AM5.5 ft1.69 m
  2. Low11:28 AM0.2 ft0.05 m
  3. High5:31 PM4.2 ft1.29 m
  4. Low11:24 PM-0.5 ft-0.15 m

Range 6.0 ft1.84 m · 4 predicted tides · MLLW

Sun

Civil dawn
6:50 AM
Sunrise
7:16 AM
Solar noon
12:23 PM
Sunset
5:30 PM
Civil dusk
5:56 PM
Daylight
10h 13m

Computed from the station's coordinates (NOAA solar algorithm, ±1 min); not NOAA tide data. Sun calendars: sunupsundown.site.

Moon

Waxing gibbous93% illuminated · day 12 of the cycle

Between spring and neap: an average tidal range. Approximate phase, computed here.

This week

Fri, Dec 18H 2:18AM 4.4 ft1.34 mL 8:33AM 0.8 ft0.26 mH 2:36PM 4.0 ft1.21 mL 8:45PM 0.3 ft0.08 mSat, Dec 19H 3:16AM 4.7 ft1.45 mL 9:31AM 0.7 ft0.20 mH 3:37PM 4.0 ft1.21 mL 9:36PM 0.0 ft0.01 mSun, Dec 20H 4:12AM 5.1 ft1.57 mL 10:30AM 0.4 ft0.13 mH 4:36PM 4.1 ft1.24 mL 10:29PM -0.2 ft-0.07 mMon, Dec 21H 5:08AM 5.5 ft1.69 mL 11:28AM 0.2 ft0.05 mH 5:31PM 4.2 ft1.29 mL 11:24PM -0.5 ft-0.15 mTue, Dec 22H 6:01AM 5.9 ft1.80 mL 12:24PM -0.1 ft-0.03 mH 6:26PM 4.4 ft1.35 mWed, Dec 23L 12:19AM -0.7 ft-0.23 mH 6:54AM 6.2 ft1.88 mL 1:17PM -0.3 ft-0.10 mH 7:19PM 4.6 ft1.40 mThu, Dec 24L 1:13AM -0.9 ft-0.28 mH 7:47AM 6.3 ft1.91 mL 2:08PM -0.5 ft-0.15 mH 8:13PM 4.7 ft1.44 m